Lsagent service exits with error

[opoplawski]

We're seeing issues with the lsagent exiting on Windows machines with a communication error:

2021-04-20 10:19:14,775 [7] INFO CreateReachableEndPoint for cf8eb343-a400-4683-90f8-051af8c7d36d
2021-04-20 10:19:14,836 [7] INFO Url Check with address failed. Endpoint with address 'https://INTERNAL-LANSWEEPER-SERVER:9524/lsagent' was not reachable: The remote name could not be resolved: 'INTERNAL-LANSWEEPER-SERVER'
2021-04-20 10:19:14,836 [7] WARN Connection to url https://INTERNAL-LANSWEEPER-SERVER:9524/lsagent failed
2021-04-20 10:19:14,836 [7] INFO Url Check with address failed. Endpoint with address 'https://INTERNAL-LANSWEEPER-SERVER:9524/lsagent' was not reachable: The remote name could not be resolved: 'INTERNAL-LANSWEEPER-SERVER'
2021-04-20 10:19:14,852 [7] WARN Connection to url https://INTERNAL-LANSWEEPER-SERVER:9524/lsagent failed
2021-04-20 10:19:14,852 [7] INFO Url Check with address failed. Endpoint with address 'http://INTERNAL-LANSWEEPER-SERVER:9524/lsagent' was not reachable: The remote name could not be resolved: 'INTERNAL-LANSWEEPER-SERVER'
2021-04-20 10:19:14,868 [7] WARN Connection to url http://INTERNAL-LANSWEEPER-SERVER:9524/lsagent failed
2021-04-20 10:19:14,868 [7] INFO Url Check with address failed. Endpoint with address 'http://INTERNAL-LANSWEEPER-SERVER:9524/lsagent' was not reachable: The remote name could not be resolved: 'INTERNAL-LANSWEEPER-SERVER'
2021-04-20 10:19:14,883 [7] WARN Connection to url http://INTERNAL-LANSWEEPER-SERVER:9524/lsagent failed
2021-04-20 10:19:14,883 [7] DEBUG Created RelayCommunicationSender to URL https://lsagentrelay.lansweeper.com/EchoService.svc
2021-04-20 10:19:14,899 [7] ERROR A communication error occurred.
System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at https://lsagentrelay.lansweeper.com/EchoService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details. ---> System.Net.WebException: The remote name could not be resolved: 'lsagentrelay.lansweeper.com'
at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
at System.Net.HttpWebRequest.GetRequestStream()
at System.ServiceModel.Channels.HttpOutput.WebRequestHttpOutput.GetOutputStream()
--- End of inner exception stack trace ---

Server stack trace:
at System.ServiceModel.Channels.HttpOutput.WebRequestHttpOutput.GetOutputStream()
at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout)
at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.SendRequest(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at Lansweeper.Echo.Server.IService.IEchoService.GetAssetStatus(Guid agentKey, Guid assetId)
at Lansweeper.Echo.Client.SA.AssetServiceAgent.^E.^B(IEchoService ^B)
at Lansweeper.Echo.Client.SA.Wcf.WcfServiceInvoker.InvokeService[T,R](Func`2 invokeHandler)
at Lansweeper.Echo.Client.SA.AssetServiceAgent.GetAssetStatus(Guid agentKey, Guid assetId)
at Lansweeper.Echo.Client.SA.RelayCommunicationSender.GetAssetStatus()
at Lansweeper.Echo.Client.BL.ScanningManager.ExecuteScan(IAppSettingsClient appSettings, EchoIniInfo iniSettings, IIniFileManager iniFileManager)
at Lansweeper.Echo.Client.WindowsService.ServiceStart.StartCore()

This was likely due to a temporary network issue. But it would be good in lsagent didn't exit because of it.